The entire database has been changed to PostgresSQL. The entire code has been updated.

config.py

@@ -0,0 +1,31 @@
+import os
+from dotenv import load_dotenv, find_dotenv
+import logging.config
+
+from logger_helper.logger_helper import LOGGING_CONFIG
+
+logging.config.dictConfig(LOGGING_CONFIG)
+logger = logging.getLogger("config")
+
+env_path = find_dotenv()
+
+if env_path:
+    load_dotenv(env_path)
+    logging.info(f"Loaded env from {env_path}")
+else:
+    logging.warning(".env file not found, environment variables won't be loaded")
+
+BOT_TOKEN = os.getenv('BOT_TOKEN')
+if not BOT_TOKEN:
+    logging.error("BOT_TOKEN is not set in environment variables")
+
+DB_USER = os.getenv('DB_USER')
+DB_PASS = os.getenv('DB_PASS')
+DB_HOST = os.getenv('DB_HOST')
+DB_PORT = os.getenv('DB_PORT')
+DB_NAME = os.getenv('DB_NAME')
+
+if not all([DB_USER, DB_PASS, DB_HOST, DB_PORT, DB_NAME]):
+    logger.error("One or more database environment variables are not set")
+
+DATABASE_URL = f"postgresql+asyncpg://{DB_USER}:{DB_PASS}@{DB_HOST}:{DB_PORT}/{DB_NAME}"